In this guide to the chemical compounds of garden pesticides and fertilizers, the author describes, in a clear and impartial way, what garden products contain, how they work and how harmful they may be to other forms of life. The book is fully cross-referenced. It covers types of products - what they are, and what they do; developments from crude poisons to complex modern products; how plants grow and how chemicals work. The book enables the reader to choose an organic or non-organic solution, as they wish.